Description
The Horobin Steel Test Plug with 1/2″ Outlet and Brass Wingnut is a robust, high-performance plug designed for pressure testing, isolation and maintenance of drainage and plumbing systems. Built from heavy-duty steel with a premium brass wingnut assembly, this test plug provides a secure, leak-free seal and reliable performance in demanding professional environments.
Key Features
Heavy-Duty Steel Construction
Manufactured from strong pressed steel for exceptional durability, longevity and resistance to deformation under pressure.
1/2″ Threaded Outlet
Features a standard 1/2″ outlet, ideal for attaching pressure gauges, hoses, airline fittings or test equipment during air or water testing.
Premium Brass Wingnut
The brass wingnut tightening mechanism ensures smooth adjustment, excellent corrosion resistance and a firm, reliable seal every time.
High-Quality Rubber Seal
Expanding rubber ring provides a tight, leak-free seal inside the pipe—essential for accurate testing and safe system isolation.
Suitable for Air & Water Testing
Ideal for testing soil pipes, drainage lines, plumbing systems and sealed pipe sections in both domestic and commercial settings.
Quick & Easy Installation
Simple tighten-to-seal mechanism allows fast setup and removal without specialist tools.
Professional Horobin Build Quality
Trusted by drainage engineers, plumbers and contractors for consistent, high-performance reliability.
Benefits
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Provides a strong, secure seal for accurate pressure testing
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Long-lasting steel and brass components withstand heavy use
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Corrosion-resistant construction ideal for site conditions
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Compatible with a wide range of testing equipment
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Reliable, reusable tool for drainage, plumbing and maintenance operations
